How to Select the Correct Hybrid Configuration Wizard Option for Office 365 GCC
Question details
The user needs to know which option to select in the Hybrid Configuration Wizard for an Office 365 U.S. Government GCC tenant, as the exact 'GCC' option is missing.
- Product
- Microsoft Office 365
- Device & OS
- not provided
- Scenario
- Setting up a hybrid environment for an Office 365 U.S. Government GCC tenant.
- Observed behavior
- The Hybrid Configuration Wizard only displays GCC High, DoD, and Office 365 Worldwide options, without a specific option for standard GCC.
Ensure you have global administrator credentials for both your on-premises Exchange environment and your Office 365 tenant before running the wizard.
Select 'Office 365 Worldwide' for Standard GCC Tenants
Standard Office 365 GCC tenants share the same Exchange Online connection infrastructure as worldwide commercial tenants, requiring the Worldwide option.
Although it might seem counterintuitive since GCC is a specialized U.S. Government environment, standard GCC actually utilizes the worldwide Exchange Online PowerShell connection format.
Because of this architectural similarity for initial routing, the 'Office 365 Worldwide' option is the correct and fully supported choice for this specific tenant type in the setup wizard.
Launch the Hybrid Configuration Wizard on your on-premises Exchange server.
Proceed through the initial prerequisite checks until you reach the tenant environment selection screen.
Select 'Office 365 Worldwide' from the list of available tenant types. Do not select GCC High or DoD unless your organization specifically uses those higher-security environments.
Ensure that your network firewall settings allow access to the standard Microsoft 365 endpoints, URLs, and ports required for worldwide connectivity.
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Frequently Asked Questions
Why is there no specific 'GCC' option in the Hybrid Configuration Wizard?
Standard GCC tenants operate on infrastructure that uses the standard worldwide Exchange Online PowerShell connection format. Since the backend routing for the wizard relies on this format, a separate GCC option is not required.
What is the difference between GCC and GCC High in this context?
GCC High is built on physically separated infrastructure requiring specialized endpoints and authentication, which is why it has its own option. Standard GCC shares authentication and connection endpoints with the commercial worldwide environment but applies data residency safeguards.
What should I do if the wizard fails after selecting Office 365 Worldwide?
Verify that your network firewall allows outbound connections to all required Microsoft 365 endpoints, URLs, and IP addresses. Missing firewall exceptions are the most common cause of wizard failures during hybrid setup.
